The cost of the major internet shutdowns in 2019 has been estimated as $8bn according to a report by the Top10VPN website, with WhatsApp being the platform that is blocked most often.Twitter bots and trolls on bush fires Could the latest orchestrated social media disinformation campaign be unfolding in Australia. Researchers at the Queensland University of Technology have been analysing thousands of tweets and found some concerning activity. Could paid for trolls be behind tweets suggesting that arsonists are responsible for this year’s bush fires?Indigenous language keyboards The United Nations has just declared an International Decade of Indigenous Languages. It is to begin in 2022, so we have been finding out about getting indigenous languages onto a device – and it isn’t always as hard as you think. Worm robots Robotic worms might be soon being used to sniff out people as part of search and rescue operations. Our reporter Jason Hosken has been to the lab where they’re developing chemical sensors that could help trace people who have perhaps been trapped under rubble following a natural disaster. The robotic worm could end up assisting, or reducing the need for, specially trained sniffer dogs.Producer: Ania Lichtarowicz(Photo: Internet shut down in India. Credit: AFP)